CN103601288A - High-efficiency energy-saving aeration apparatus and aeration method - Google Patents
High-efficiency energy-saving aeration apparatus and aeration method Download PDFInfo
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- CN103601288A CN103601288A CN201310633853.4A CN201310633853A CN103601288A CN 103601288 A CN103601288 A CN 103601288A CN 201310633853 A CN201310633853 A CN 201310633853A CN 103601288 A CN103601288 A CN 103601288A
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- liquid mixer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention relates to the technical field of sewage treatment, specifically to a high-efficiency energy-saving aeration apparatus and an aeration method. The high-efficiency energy-saving aeration apparatus comprises an air-liquid mixer. The air-liquid mixer comprises an air-liquid mixer outer wall, a fluid director and wedge plates, wherein the wedge plates are fixed on a fixed pile, the fixed pile is fixed at one end of the air-liquid mixer, the other end of the gas-liquid mixer is a sewage inlet, and a compressed air drum inlet pipe is vertically arranged beside the sewage inlet and is communicated with the air-liquid mixer. The aeration method comprises the following steps placing the air-liquid mixer below the water surface of an aeration tank, directly delivering compressed air to the air-liquid mixer from the compressed air drum inlet pipe, passing through the fluid director to form helically ascending air flow which is crushed into fine bubbles when encountering the wedge plates in the mixer, then fully mixing the fine bubbles with liquid indrawn from the sewage inlet in the air-liquid mixer and helically spraying an obtained mixture. With the method, residence time of the fine bubbles is increased, mixing of air and liquid is realized to a greatest extent, the utilization rate of oxygen is substantially improved, and operation cost is reduced.
Description
Technical field
The present invention relates to technical field of sewage, be specifically related to a kind of energy-efficient aerating apparatus and aeration method.
Background technology
In sewage treatment process, aerating system is the key link of whole Sewage treatment systems, also be the unit that energy consumption is the highest, so the health of aeration tank, stable, energy-saving run are the most important things of Sewage treatment systems, its key is that aeration tank used the oxygenation efficiency of aerator.The domestic aerator providing be take micro-pore aeration equipment as main at present, its oxygenation efficiency can constantly reduce along with the passing of duration of service, work-ing life is generally at 3-5, wastewater from chemical industry particularly, how because SO42-concentration in waste water is higher, particularly leading portion treatment process has Wingdale precipitation, in sewage, Ca ion and SO42-are higher, strong and the easy fouling of corrodibility, traditional micro-pore aeration technique is easily stopped up and is caused systemic breakdown, and seriously corroded, so system maintenance work amount is large in operational process, working effect trend declines, system is short work-ing life, should not use micro-pore aeration equipment, other the mechanical aeration equipment such as jet-flow aeration also have efficiency of oxygen supply relatively low, energy consumption is high, aeration is inhomogeneous, not thorough, the shortcomings such as maintenance cost height.
Summary of the invention
For overcoming the deficiency in above-mentioned technology, the object of the present invention is to provide a kind of energy-efficient aerating apparatus and aeration method, can reduce the aerator of running cost, raising sewage treating efficiency.
For solving its technical problem, the technical solution adopted in the present invention is:
Described energy-efficient aerating apparatus, comprise gas liquid mixer, gas liquid mixer comprises gas liquid mixer outer wall, director and wedge, gas liquid mixer outer wall is the cylinder of both ends open, gas liquid mixer one end is sewage inlet, near sewage inlet, be vertically provided with pressurized air drum inlet pipe, pressurized air drum inlet pipe one end and blowpipe join, the pressurized air drum inlet pipe the other end communicates with gas liquid mixer, gas liquid mixer the other end holding cylindrical spud pile, spud pile is located at gas liquid mixer inside, on spud pile, be vertically provided with a plurality of wedges, wedge distributes in the shape of a spiral on spud pile, the spud pile the other end is at the inner director that connects of gas liquid mixer.
Wherein, described spud pile equal intervals is provided with 7 circle wedges, every circle is provided with 7 wedges, equidistantly be uniformly distributed and can guarantee that the bubble ratio of wedge chopping is more even, guarantee the effect of gas-liquid mixed, for the gas liquid mixer of height 400mm, the bubble of the wedge of this kind of density of setting chopping just meets the requirement to aeration effect, for the gas liquid mixer of different heights, also can according to circumstances reset number and the number of turns of wedge.
Wherein, described pressurized air drum inlet pipe is connected with blowpipe by joint flange 9, during installation, joint flange connects blowpipe, blowpipe extends to water surface top, aeration tank always, top, aeration tank is provided with compressed air delivery house steward, blowpipe accesses pneumatic manifold behind the door by flange connection valve, the flange that can directly dismantle in equipment failure above the water surface is together put on the water surface by blowpipe together with gas liquid mixer, overhaul, without stoppage in transit, emptying aeration tank, blowpipe adopts carbon steel pipe or stainless steel etc. to make, its physical length or bending angle can determine according to the practical situation of aeration tank, but the part that blowpipe is located under water must adopt stainless steel, to guarantee its work-ing life.
Wherein, described gas liquid mixer outer wall adopts nylon 66 and glass fibre to make, and this kind of material erosion resistance is strong, effectively increases service life of equipment, can reach more than 10 years.
Wherein, described gas liquid mixer outer wall mid-way is symmetrical arranged picks up the ears, and picks up the ears for hanging fixture while installing, and stability is strong, can guarantee carrying out smoothly of sewage disposal.
When installing, the present invention fixes by picking up the ears, carry out suspension type installation, gas liquid mixer is inserted inside, aeration tank, apart from the about 150mm in bottom, aeration tank, blowpipe joins by flange and compressed air delivery house steward above the water surface of aeration tank, number and the position of installing can be selected according to the practical situation of aeration tank, each energy-efficient aerating apparatus can be controlled separately, while there is equipment failure, can overhaul by dismounting flange, without stoppage in transit, emptying aeration tank, meet the continuous operation of system.
The aeration method of described energy-efficient aerating apparatus, the method is: gas liquid mixer is placed in to water surface below, aeration tank, apart from 150mm left and right, bottom, aeration tank, pressurized air rouses inlet pipe by pressurized air and directly sends in gas liquid mixer, wedge in director curl upstream and gas liquid mixer meets and is broken into micro bubble, the liquid that micro bubble sucks with sewage inlet place fully mixes rear screw ejection in gas liquid mixer, and forms longitudinal cycling stream at gas liquid mixer periphery.
In aeration process, in whole aeration tank, form powerful mix and blend effect, keep active sludge all the time in suspended state, also make bottom, aeration tank not produce alluvial simultaneously, because micro bubble has increased gas-to-liquid contact area, and form longitudinal cycling stream at gas liquid mixer periphery, and increased the residence time of micro bubble in water, therefore greatly improved the utilization ratio of oxygen.
Compared with prior art, the present invention has following beneficial effect:
The present invention allows gas-liquid reach maximum mixing by the cooperation of director and wedge, improve efficiency of oxygen supply, reduce working cost, in continuous service process, the pressurized air of large flow can avoid gas liquid mixer alluvial to stop up, in whole aeration tank, form powerful mix and blend effect, keep active sludge all the time in suspended state, also make bottom, aeration tank not produce alluvial simultaneously; Gas liquid mixer does not have moving parts, sturdy and durable, Maintenance free; The pressure-losses is little, and coefficient of oxygen utilization is high, can reduce the energy consumption of 20%-70%, can allow the oxygen level being dissolved in water in aeration tank keep stable always; Gas liquid mixer outer wall adopts nylon 66 and glass fibre to make, and erosion resistance is strong, and work-ing life is more than 10 years; Device adopts suspension type to install, and can to it, carry out layout design according to the practical situation of sewage and aeration tank, and each energy-efficient aerating apparatus can be controlled separately, and installation and repairing is convenient, without stoppage in transit, emptying aeration tank, meets system and moves continuously.
Accompanying drawing explanation
Fig. 1 structure front view of the present invention.
Fig. 2 structure left view of the present invention.
Fig. 3 gas liquid mixer internal structure schematic diagram.
In figure: 1, pressurized air drum inlet pipe; 2, gas liquid mixer outer wall; 3, gas liquid mixer; 4, director; 5, wedge; 6, spud pile; 7, pick up the ears; 8, sewage inlet; 9, joint flange.
Embodiment
Below in conjunction with accompanying drawing explanation, the embodiment of the present invention is described further:
As Figure 1-3, energy-efficient aerating apparatus of the present invention, comprise gas liquid mixer 3, gas liquid mixer 3 comprises gas liquid mixer outer wall 2, director 4 and wedge 5, the cylinder that gas liquid mixer outer wall 2 is both ends open, gas liquid mixer 3 one end are sewage inlet 8, near sewage inlet 8, be vertically provided with pressurized air drum inlet pipe 1, pressurized air drum inlet pipe 1 one end and blowpipe 10 join, pressurized air drum inlet pipe 1 the other end communicates with gas liquid mixer 3, gas liquid mixer 3 the other end holding cylindrical spud piles 6, spud pile 6 is located at gas liquid mixer 3 inside, on spud pile 6, be vertically provided with a plurality of wedges 5, wedge 5 distributes in the shape of a spiral on spud pile 6, spud pile 6 the other ends are at the inner director 4 that connects of gas liquid mixer 3.
Wherein, spud pile 6 equal intervals are provided with 7 circle wedges 5, every circle is provided with 7 wedges 5, equidistantly be uniformly distributed and can guarantee that the bubble ratio of wedge 5 choppings is more even, guarantee the effect of gas-liquid mixed, for the gas liquid mixer 3 of height 400mm, the bubble of wedge 5 choppings of this kind of density of setting just meets the requirement to aeration effect, for the gas liquid mixer 3 of different heights, also can according to circumstances reset number and the number of turns of wedge 5, pressurized air drum inlet pipe 1 one end is provided with joint flange 9, joint flange 9 is connected with blowpipe, during installation, joint flange 9 connects blowpipe, blowpipe extends to water surface top, aeration tank always, top, aeration tank is provided with compressed air delivery house steward, blowpipe accesses pneumatic manifold behind the door by flange connection valve, the flange that can directly dismantle in equipment failure above the water surface is together put on the water surface by blowpipe together with gas liquid mixer 3, overhaul, without stoppage in transit, emptying aeration tank, blowpipe adopts carbon steel pipe or stainless steel etc. to make, its physical length or bending angle can determine according to the practical situation of aeration tank, but the part that blowpipe is located under water must adopt stainless steel, to guarantee its work-ing life, gas liquid mixer outer wall 2 adopts nylon 66 and glass fibre to make, and this kind of material erosion resistance is strong, effectively increases service life of equipment, can reach more than 10 years, gas liquid mixer outer wall 2 mid-ways are symmetrical arranged picks up the ears 7, picks up the ears 7 for hanging fixture while installing, and stability is strong, can guarantee carrying out smoothly of sewage disposal.
It is 7 fixing by picking up the ears when the present invention installs, carry out suspension type installation, gas liquid mixer 3 is inserted inside, aeration tank, apart from the about 150mm in bottom, aeration tank, blowpipe joins by flange and compressed air delivery house steward above the water surface of aeration tank, number and the position of installing can be selected according to the practical situation of aeration tank, each energy-efficient aerating apparatus can be controlled separately, while there is equipment failure, the flange that can directly dismantle water surface top is together put on the water surface by blowpipe 10 together with gas liquid mixer and is overhauled, without stoppage in transit, emptying aeration tank, meet the continuous operation of system.
The aeration method of energy-efficient aerating apparatus of the present invention, the method is: gas liquid mixer is placed in to water surface below, aeration tank, apart from 150mm left and right, bottom, aeration tank, pressurized air is directly sent to gas liquid mixer 3 from pressurized air drum inlet pipe 1, wedge 5 in director 4 curl upstreams and gas liquid mixer 3 meets and is broken into micro bubble, and micro bubble sprays at the interior rear screw that fully mixes of gas liquid mixer 3 with the liquid of sewage inlet 8 places inspiration.
In aeration process, in whole aeration tank, form powerful mix and blend effect, keep active sludge all the time in suspended state, also make bottom, aeration tank not produce alluvial, because micro bubble has increased gas-to-liquid contact area, and form longitudinal cycling stream at gas liquid mixer 3 peripheries simultaneously, increased the residence time of micro bubble in water, greatly improved the utilization ratio of oxygen, can reduce the energy consumption of 20%-70%, allowed the oxygen level being dissolved in water in aeration tank keep stable always.
Claims (6)
1. an energy-efficient aerating apparatus, comprise gas liquid mixer (3), it is characterized in that, gas liquid mixer (3) comprises gas liquid mixer outer wall (2), director (4) and wedge (5), the cylinder that gas liquid mixer outer wall (2) is both ends open, gas liquid mixer (3) one end is sewage inlet (8), near sewage inlet (8), be vertically provided with pressurized air drum inlet pipe (1), pressurized air drum inlet pipe (1) one end and blowpipe join, pressurized air drum inlet pipe (1) the other end communicates with gas liquid mixer (3), gas liquid mixer (3) the other end holding cylindrical spud pile (6), spud pile (6) is located at gas liquid mixer (3) inside, on spud pile (6), be vertically provided with a plurality of wedges (5), wedge (5) distributes in the shape of a spiral on spud pile (6), spud pile (6) the other end is at the inner director (4) that connects of gas liquid mixer (3).
2. energy-efficient aerating apparatus according to claim 1, is characterized in that, described spud pile (6) equal intervals is provided with 7 circle wedges (5), and every circle is provided with 7 wedges (5).
3. energy-efficient aerating apparatus according to claim 1 and 2, is characterized in that, described pressurized air drum inlet pipe (1) is connected with blowpipe by joint flange (9).
4. energy-efficient aerating apparatus according to claim 1 and 2, is characterized in that, described gas liquid mixer outer wall (2) adopts nylon 66 and glass fibre to make.
5. energy-efficient aerating apparatus according to claim 1 and 2, is characterized in that, described gas liquid mixer outer wall (2) mid-way is symmetrical arranged pick up the ears (7).
6. one kind according to the aeration method of energy-efficient aerating apparatus described in claim 1-5, it is characterized in that, the method is: gas liquid mixer is placed in to water surface below, aeration tank, pressurized air rouses inlet pipe (1) by pressurized air and directly sends in gas liquid mixer (3), wedge (5) in director (4) curl upstream and gas liquid mixer (3) meets and is broken into micro bubble, the liquid that micro bubble locates to suck with sewage inlet (8) fully mixes rear screw ejection in gas liquid mixer (3), and form longitudinal cycling stream at gas liquid mixer (3) periphery.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310633853.4A CN103601288A (en) | 2013-11-30 | 2013-11-30 | High-efficiency energy-saving aeration apparatus and aeration method |
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| CN201310633853.4A CN103601288A (en) | 2013-11-30 | 2013-11-30 | High-efficiency energy-saving aeration apparatus and aeration method |
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| CN103601288A true CN103601288A (en) | 2014-02-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106315872A (en) * | 2016-08-19 | 2017-01-11 | 中国石油集团渤海钻探工程有限公司 | Fracturing recovery fluid water treatment agent adding metering device and method |
| CN107857360A (en) * | 2017-12-25 | 2018-03-30 | 湖州富优得膜分离科技有限公司 | A kind of submersible aerator with feeding water filtering device |
| CN117886443A (en) * | 2023-07-04 | 2024-04-16 | 四川中科申科技有限公司 | Biochemical process for sewage treatment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6044097A (en) * | 1983-08-23 | 1985-03-08 | Ebara Infilco Co Ltd | Sludge treating method |
| JPH0199692A (en) * | 1987-10-14 | 1989-04-18 | Central Res Inst Of Electric Power Ind | Aeration treatment of sewage |
| JP2002263678A (en) * | 2001-03-05 | 2002-09-17 | Az Shoji Kk | Device for producing water which contains fine air bubble |
| CN101885536A (en) * | 2010-06-24 | 2010-11-17 | 宜兴市溢洋水工业有限公司 | Air breaker |
| CN202246245U (en) * | 2011-11-03 | 2012-05-30 | 王杰 | Aerating device with low gas pressure loss |
| CN203582579U (en) * | 2013-11-30 | 2014-05-07 | 山东美陵中联环境工程有限公司 | Efficient energy-saving aeration device |
-
2013
- 2013-11-30 CN CN201310633853.4A patent/CN103601288A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6044097A (en) * | 1983-08-23 | 1985-03-08 | Ebara Infilco Co Ltd | Sludge treating method |
| JPH0199692A (en) * | 1987-10-14 | 1989-04-18 | Central Res Inst Of Electric Power Ind | Aeration treatment of sewage |
| JP2002263678A (en) * | 2001-03-05 | 2002-09-17 | Az Shoji Kk | Device for producing water which contains fine air bubble |
| CN101885536A (en) * | 2010-06-24 | 2010-11-17 | 宜兴市溢洋水工业有限公司 | Air breaker |
| CN202246245U (en) * | 2011-11-03 | 2012-05-30 | 王杰 | Aerating device with low gas pressure loss |
| CN203582579U (en) * | 2013-11-30 | 2014-05-07 | 山东美陵中联环境工程有限公司 | Efficient energy-saving aeration device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106315872A (en) * | 2016-08-19 | 2017-01-11 | 中国石油集团渤海钻探工程有限公司 | Fracturing recovery fluid water treatment agent adding metering device and method |
| CN107857360A (en) * | 2017-12-25 | 2018-03-30 | 湖州富优得膜分离科技有限公司 | A kind of submersible aerator with feeding water filtering device |
| CN117886443A (en) * | 2023-07-04 | 2024-04-16 | 四川中科申科技有限公司 | Biochemical process for sewage treatment |
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Application publication date: 20140226 |